Depending on the processed material from each drill must be properly sharpened. To verify the correct angle will help a specially prepared square plate of copper or aluminium with a thickness of 1 mm.
To become operational protractor enough to cut it cut, as shown in the picture: a large cutout at an angle of 120 degrees, the other half is 60 degrees and the surviving corner of a square is 90.
Recommend to read
THE TRESTLES FOR GROWTH
Usually the wooden box is designed for sawing long logs. A small improvement will allow you to get on them and a small churbachki. To do this, enough in the middle of the nail at an...
ANGLE? PLEASE!
In most cases, the part is placed on the machine perpendicular to the processing tool. A simple device created by Odessa innovator, Tandit, provides a fast and secure workpiece at any...
